.slide_block{
    display: flex;
    flex-direction: row;
    white-space: nowrap;

}
.grid_cell{
    display: inline-flex;
}
.scroll_block{
    width: 50rpx;
    height: 6rpx;
    background: #eee;
    position: relative;
    left: 50%;
    margin-left: -45rpx;
    border-radius: 6rpx;
}
.scroll_line{
    position: absolute;
    left: 0;
    top: 0;
    height: 6rpx;
    width: 40rpx;
    background: #555;
    border-radius: 6rpx;
}